Which Prefix Means Within

The prefixes that mean within or inside are intra-, endo-, en-, and em-. These are used in terms such as endocarditis, emphysema, and intrauterine.

What is the prefix of within?

Although they look similar, the prefix intra- means “within” (as in happening within a single thing), while the prefix inter- means “between” (as in happening between two things).

Which suffix means within?

The prefix endo- means. within or inner.